Updates based on new Section 8 definition
Updates based on new Section 8 definition

Clients 3 and 7 had public housing that didn't fall under Section 8. Their `hasHousing` boolean has been changed to false to reflect the more restrictive definition we're using. Also added comments next to `hasHousing` for each of them to clarify this.
shp54/cliff-effects,codeforboston/cliff-effects,codeforboston/cliff-effects,knod/cliff-effects-1,knod/cliff-effects-1,shp54/cliff-effects